File under "duh": ``At Basel, regulators agreed to more than double the minimum common equity requirement for banks to 4.5 percent from 2 percent, with an added liquidity buffer of 2.5 percent. That means banks will have to have total risk reserves of 7% of weighted assets. Regulators did not reach a consensus on proposals for an additional buffer--or "surcharge"-- for "systemically important financial institutions"--which is regulator speak for Too Big To Fail. ''